These ready-to-use DGT passive samplers for deployments in natural waters and solutions, both in situ in the field and in the laboratory, use the standard plastic piston-design DGT holder (exposure area = 3.14 cm2).
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Can measure Hg present as Hg2+ and methyl mercury (Gao et al., 2011, 2014). It selectively measures As(III) (Bennett et al., 2011). Standard DGT holder for solutions with 0.8 mm agarose diffusive gel, polyethersulphone filter membrane layer and a 3-mercaptopropyl functionalised silica gel binding layer. -
Can measure a range of polar compounds, including antibiotics. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for solutions with a 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and XAD18 binding layer. Click here to view the user guide. -
Can measure some pesticides and herbicides and nitrochlorobenzenes. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for solutions with a 0.8 mm agarose diffusive gel, hydrophylic polypropylene (GHP) filter membrane and HLB binding layer. Click here to view the user guide. -
Can measure a range of polar compounds, including some pharmaceuticals (including psychiatric), endocrine disrupting chemicals, household and personal care products and organophosphate flame retardants. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for solutions with a 0.8 mm agarose diffusive gel, PTFE filter membrane and HLB binding layer. Click here to view the user guide. -
Selectively measures Cr(VI) in the presence of Cr(III)(Pan et al., 2015). Standard DGT holder for solution with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a N-methyl-D-glucamine (DMDG) functional resin within the binding layer. -
Can measure sulphide, which is usually only present in waters without oxygen (Teasdale et al., 1999, Widerlund and Davison, 2007). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a silver iodide binding layer. Sulphide can be detected by the grey-scale colour change. Click here to view the User Guide. -
Can measure up to 30 metals, including Cd, Co, Cu, Fe, Mn, Ni, Pb, Zn (Zhang and Davison, 1995, Bennett et al., 2016). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and Chelex binding layer. Click here to view the User Guide -
Can measure nitrate in solutions with ionic strength <0.02 mmol L-1 (freshwater) (Williams et al, 2017). Standard DGT holder for solutions with 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and a binding layer containing SIR-100-HP resin, which is selective for nitrate. -
Measures P and metals present as oxy-ions, including As, Mo, Sb, Se, U, V, W (Zhang et al., 1998, Luo et al., 2010, Osterlund et al., 2010). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and iron oxide binding layer. User guide for oxyanions including P User guide for phosphate alone -
Can measure bisphenols: A, B and F (Zheng et al., 2015 click for full reference). Standard DGT holder for solutions with a 0.8 mm agarose diffusive gel, polytetrafluoroethane (PTFE) filter membrane and an activated charcoal binding layer. Click on Organic Analytes for diffusion coefficients and appropriate references. Click here to view the user guide. -
Measures P and metals present as oxy-ions or strongly hydrolysed, including Al, As, Mo, Sb, Se, U, V, W (Panther et al., 2010, 2012, 2013, Hutchins et al., 2012). Has also been used to measure glyphosate (Fauvelle et al., 2015) Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a titanium oxide (Metsorb) binding layer. User Guide for metals and phosphate (LSNT) -
Can measure Tc (French et al., 2005). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a binding layer containing dispersed TEVA resin, which is selective for Tc. -
Can measure a range of perfluorinated compounds. Click on Organic Analytes for a list of the tested compounds with appropriate references. Standard DGT holder for solutions with a 0.8 mm agarose diffusive gel, polyethersulphone filter membrane and a weak anion exchanger (WAX) binding layer. -
Can measure P present as phosphate and polyphosphates and up to 40 metals, including Al, As, Cd, Co, Cu, Fe, Mn, Ni, Pb, Sb, Se, U, V, W, Zn (Panther et al., 2014). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and titanium oxide (Metsorb). User guide for metals and phosphate by Ti oxide (LSNX) -
Can measure P present as phosphate and polyphosphates and up to 40 metals, including As, Cd, Co, Cu, Fe, Mn, Ni, Pb, Sb, Se, U, V, W, Zn (Mason et al., 2005). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a mixed binding layer of Chelex and iron oxide (ferrihydrite). User guide for metals and phosphate (LSNY). -
Measures P and metals present as oxyanions, including As, Mo, Sb, Se, V (Guan et al., 2015). Standard DGT holder for solutions with 0.8 mm APA diffusive gel, polyethersulphone filter membrane and a precipitated zirconium oxide binding layer.